1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/x25519_ref10.h b/third_party/heimdal/lib/hcrypto/x25519_ref10.h
new file mode 100644
index 00000000000..f43cc0236b0
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+++ b/third_party/heimdal/lib/hcrypto/x25519_ref10.h
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+/*
+ * ISC License
+ *
+ * Copyright (c) 2013-2019
+ * Frank Denis <j at pureftpd dot org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef x25519_ref10_H
+#define x25519_ref10_H
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define crypto_scalarmult_curve25519_BYTES 32U
+size_t crypto_scalarmult_curve25519_bytes(void);
+
+#define crypto_scalarmult_curve25519_SCALARBYTES 32U
+size_t crypto_scalarmult_curve25519_scalarbytes(void);
+
+/*
+ * NOTE: Do not use the result of this function directly for key exchange.
+ *
+ * Hash the result with the public keys in order to compute a shared
+ * secret key: H(q || client_pk || server_pk)
+ *
+ * Or unless this is not an option, use the crypto_kx() API instead.
+ */
+#define crypto_scalarmult_curve25519 hc_hcrypto_scalarmult_curve25519
+int crypto_scalarmult_curve25519(unsigned char *q, const unsigned char *n,
+                                 const unsigned char *p);
+
+#define crypto_scalarmult_curve25519_base hc_hcrypto_scalarmult_curve25519_base
+int crypto_scalarmult_curve25519_base(unsigned char *q,
+                                      const unsigned char *n);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif